be back

• 回来

be back的用法和样例：

例句

1. His parents demanded that he (should) be back by ten.
   他的父母要求他十点以前回家。
2. Could you give me a rough idea when you'll be back?
   你能告诉我你大概什么时候回来吗？
3. I won't be back till 11:00.
   我11点以前回不来。
4. I'll be back soon.
   我马上回来。
5. She longed to be back in China.
   她渴望回到中国。
6. You must be back by four o'clock.
   你务必在4点前回来。
7. I'll be back in an instant.
   我马上就回来。
8. It is expected that John will be back by ten.
   约翰在十点以前回来是预料中的事。